overrun

Chaps - I need some urgent help. I've got a BAM engine in my Elise and I have just had the engine rebuilt with the following :- New Scat Rods RE-Hone New Piston Rings New Big Ends New Mains New Oil Pump Crank Polish New Crank Seals 20 new Valves Refreshed head New Valve guide...

On 50% of gear changes i get a slight engine overrun. I know its not related to the switch on the clutch pedal as i've had that go before and thats much worse. When the cars cold it dosnt overrun at all and shifting feels very positive, but once warmed up the gear changes seem sloppy. It almost...

Hiya guys, occassionally the revs hunt up and down on my car after rolling up to a standstill just after dipping the clutch to come to a complete standstill, Jock at westec thought it might been because the spring wasnt strong enough in my Forge dumpvalve which iIve now changed but it made no...